Description
NGK B8HS Spark Plug – Stock No. 5510
The NGK B8HS is a short-reach, non-resistor spark plug designed for reliable ignition in demanding conditions. It is a colder heat range plug that helps reduce the risk of pre-ignition and fouling under sustained high load or high rpm.
It suits many classic two-stroke motorcycles, karts, and small marine engines that require a 14 mm short-reach gasket-seat plug. Always confirm fitment with the vehicle lookup or see the Vehicle Fitment tab.
- Cold heat range for performance and high-temperature running
- Copper core and nickel electrodes for stable spark and good durability
- Gasket seat for a tight seal and consistent heat transfer
- Non-resistor design for a strong spark signal
| Part Number | B8HS |
| NGK Stock Number | 5510 |
| GTIN | 087295155103 |
| Category | 686 – Spark Plug |
| Thread Diameter | 14.0 mm |
| Thread Reach | 12.7 mm (1/2 in) |
| Hex Size | 20.8 mm (13/16 in) |
| Seat Type | Flat seat with gasket |
| Heat Range | 8 (NGK scale – colder) |
| Resistor | No |
| Center Electrode | Copper core, nickel alloy |
| Ground Electrode | Nickel alloy, standard type |
| Terminal Type | Solid terminal |
| Factory Gap | 0.7 mm (adjust to vehicle spec) |
Use the correct heat range, reach, and gap for your engine. Fit with a new gasket and tighten to the manufacturer’s specification to avoid damage.
The price displayed is for a single plug, please add the desired amount to your basket.
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